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Physics

Physics
How much mechanical work must be done to completely melt 1 gram of ice at 0°C ?

80 J
2268 J
4.2 J
336 J

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Physics
If a barometric reading is falling, this usually indicates what

None
Increasing pressure
Decreasing pressure
No pressure

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Physics
In which region of electromagnetic spectrum does the Lyman series of hydrogen atom lie ?

Visible
Ultraviolet
Infrared
X-ray

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Physics
Which is an example of Phototropism?

A venus flytrap capturing a fly
Plant bending toward the light
Roots of a plant following water
Roots growing into the soil

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Physics
Sound is heard over longer distances on rainy days because

Moist air does not absorb sound
Moist air absorbs sound
Sound travels faster in moist air
Sound travels slowly in moist air

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Physics
When a body falls from an aeroplane, there is increase in its

Mass
Kinetic energy
Acceleration
Potential energy

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MORE MCQ ON Physics

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